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Effect of template size on the selectivity of molecularly imprinted polymers for phenylurea herbicides

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dc.contributor.author Martín Esteban, A.
dc.contributor.author Turiel, E.
dc.contributor.author Stevenson, Derek
dc.date.accessioned 2016-09-07T11:25:06Z
dc.date.available 2016-09-07T11:25:06Z
dc.date.issued 2001
dc.identifier.citation Martín-Esteban, A.; Turiel, E., & Stevenson, D. (2001). Effect of template size on the selectivity of molecularly imprinted polymers for phenylurea herbicides. Chromatographia, 53(1), S434-S437. spa
dc.identifier.issn 00095893
dc.identifier.uri http://hdl.handle.net/11268/5725
dc.description.abstract Four different methacrylic acid-based, molecularly imprinted, polymers, using fenuron or isoproturon as template and acetonitrile or toluene as porogen, were prepared in order to evaluate the template size effect on the selectivity and the porogen effect on the affinity of recognition in molecular imprinting solid-phase extraction. The results of different tests applied to both polymers have shown that fenuron-polymers were highly selective whereas isoproturon-polymers were able to recognise several structurally related compounds (metoxuron, fenuron, metobromuron, chlortoluron, linuron and chlorbromuron). On the other hand, the polymers prepared using toluene as porogen showed a higher affinity for the tested compounds than those prepared in acetonitrile. Accordingly, the isoproturon-imprinted polymer prepared in toluene has been evaluated as a new sorbent in solid-phase extraction procedures for the trace-enrichment and clean-up of phenyureas in ground water and soil samples. spa
dc.description.sponsorship SIN FINANCIACIÓN spa
dc.language.iso eng spa
dc.title Effect of template size on the selectivity of molecularly imprinted polymers for phenylurea herbicides spa
dc.type conferenceObject spa
dc.description.impact 1.317 JCR (2001) Q2, 33/68 Chemistry, analytical; Q3, 29/43 Biochemical research methods spa
dc.identifier.doi 10.1007/BF02490371
dc.rights.accessRights closedAccess spa
dc.subject.uem Química analítica spa
dc.subject.uem Herbicidas spa
dc.subject.unesco Química spa
dc.subject.unesco Polímero spa
dc.subject.unesco Herbicida spa
dc.description.filiation UEM spa
dc.peerreviewed Si spa


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